Zachary Wattles, DO
NPI 1780479931 · Internal Medicine Physician · Saint Louis, MO
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Wattles, DO is a Internal Medicine Physician provider in Saint Louis, MO (NPI 1780479931).
Provider details
- NPI number
- 1780479931
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2025026458 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-04-10
- Last updated
- 2025-06-30
- Certified
- 2025-06-30
Frequently asked questions
- What is Zachary Wattles's NPI number?
- Zachary Wattles's National Provider Identifier (NPI) is 1780479931, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Wattles's specialty?
- Zachary Wattles is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Wattles located?
- Zachary Wattles's practice location on file with NPPES is 621 S New Ballas Rd Ste 3019b, Saint Louis, MO 63141-8267.
- What is Zachary Wattles's phone number?
- The practice phone number listed in the NPPES registry for Zachary Wattles is (314) 509-5305.
- Does Zachary Wattles accept Medicare?
- Zachary Wattles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Wattles's NPI active?
- Yes — Zachary Wattles's NPI (1780479931) is active in the NPPES registry as of the last update on 2025-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.